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Q. What is Virtual LANs?
Virtual LANs
- LAN (Local area network) configured by software not by physical wiring
- Divides a LAN into logical, instead of physical segments
- No need to change a physical configuration if changes in workgroups are necessary
- Even allows grouping of stations connected to different switches in a VLAN
- Supports broadcast domains, just as if stations belong to the same physical segment
FDDI Media Class B or SAS (single-attachment stations) attach to one ring Class A or DAS (dual attachment stations) attach to both rings. SASs is attached to the primary rin
The auxiliary port is used to link a modem to for dial backups.
Consider a signal x(t) = 10 cos(2πfct + 4 cos 2πfmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when
At the Physical layer of the OSI model Repeaters work by regenerating the signal to extend the distance it can travel.
As a system administrator, you require to debug igrp but are worried that the "debug IP igrp transaction" command will flood the console. What is the command that you should use?
Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
What is workstation? A workstation is a node in network that is more useful and can occur local information processing or graphics processing. A workstation generally has an in
Dear expert; I have an assignment about Network Administrator Support . Here is the topic about:- Virtualization is an emerging type of network operating system that is currently
Application of Satellite Communication started with the installation and commissioning of STD- “B” Earth Station having 11m diameter antenna in 1982, Initially with to only three
State the types of performance of computer hardware The hardware, i.e., the server or computer has a direct relationship on performance in the following areas: Reliabili
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